mirror of
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52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package main
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import (
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/net/ghttp"
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"github.com/gogf/gf/v2/util/grand"
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)
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// Demo metric type Counter
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var metricCounter = promauto.NewCounter(
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prometheus.CounterOpts{
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Name: "demo_counter",
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Help: "A demo counter.",
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},
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)
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// Demo metric type Gauge.
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var metricGauge = promauto.NewGauge(
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prometheus.GaugeOpts{
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Name: "demo_gauge",
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Help: "A demo gauge.",
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},
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)
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func main() {
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// Create prometheus metric registry.
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registry := prometheus.NewRegistry()
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registry.MustRegister(
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metricCounter,
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metricGauge,
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)
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// Start metric http server.
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s := g.Server()
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s.SetPort(8000)
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// Fake metric values.
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// http://127.0.0.1:8000/
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s.BindHandler("/", func(r *ghttp.Request) {
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metricCounter.Add(1)
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metricGauge.Set(float64(grand.N(1, 100)))
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r.Response.Write("fake ok")
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})
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// Export metric values.
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// You can view http://127.0.0.1:8000/metrics to see all metric values.
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s.BindHandler("/metrics", ghttp.WrapH(promhttp.Handler()))
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s.Run()
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}
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